RABBA  , a

town of British West Africa, in the province of Nupe, Northern Nigeria, on the left bank of the Niger, in 9° 6' N., and zoo m. above the confluence of the Niger and the Benue . At the time of Richard Lander's visit in 1830 it was a place of 40,000 inhabitants and one of the most important markets in the country . In 1867 Gerhard Rohlfs found it with only 500 inhabitants . The town has somewhat recovered its position since the establishment of British rule in 1902 .